Flashcards in Chemistry Review Deck (9):
What is electronegativity?
The measure of an atoms attraction to shared electrons (strength of attraction)
When EN is high...
When EN is low...
High: attraction to electrons in a covalent bond creates a slightly negative charge
Low: creates a slightly positive charge
Ex H2O : H slightly positive, O slightly negative
What is a polar molecule?
Unequal sharing of electrons
A molecules biological function is determined by 3 factors
1. Overall molecular shape
2. Molecular polarity
3. Type of bond
Water is _____
Water molecules forming with other water molecules is called
Water molecules form hydrogen bonds with other polar molecules is called
What kind of bond is very biologically significant?